Samsung has started rolling out the latest Android 4.4.2 KitKat update with build number I9500XXUFNB3, for the international model of Galaxy S4 (GT-I9500). The firmware is now available for download via Over-The-Air (OTA) update as well as through KIES for Galaxy S4 users in Russia.

Update Galaxy S4 to Android 4.4.2 I9500XXUFNB3 KitKat Official Firmware [GUIDE]

Those who missed the OTA update notification and cannot access the update via KIES software for some reason; can follow our step-by-step guide to install the same manually, using Odin 3.07 flash tool.

Android 4.4.2 I9500XXUFNB3 Firmware Details

Update Galaxy S4 to Android 4.4.2 I9500XXUFNB3 KitKat Official Firmware [GUIDE]

Version: Android 4.4.2
Build date: Feb 13, 2014
Regions: Russia

NOTE: As this is an unbranded firmware, it includes no extra apps or language packs and can be installed on any unlocked Galaxy S4 GT-I9500, regardless of the country or region.

IBTimes UK reminds its readers that it will not be held liable for any damage to device during or after firmware installation. Users are advised to proceed at their own risk.


Update Galaxy S4 to Android 4.4.2 I9500XXUFNB3 KitKat Official Firmware [GUIDE]

1. Install necessary USB Drivers for Galaxy S4 GT-I9500 on the computer.

2. USB Debugging Mode should be enabled on the phone by navigating to Settings >> Developer Options.

3. Back up your important data to avoid potential data loss during firmware installation.

4. Ensure the phone is factory unlocked (not locked to any specific carrier).

5. Verify Galaxy S4 has at least 80 percent battery charge.

6. The Android 4.4.2 I9500XXUFNB3 firmware is compatible with Galaxy S4 GT-I9500 only. Do not attempt installing it on incorrect variants as it may brick the device. Verify the model number of the Galaxy S4 by navigating to Settings >> About Phone.

Downloads Required

Steps to Update Galaxy S4 with Android 4.4.2 I9500XXUFNB3 KitKat Official Firmware

Step 1: Extract Android 4.4.2 I9500XXUFNB3 firmware zip file via WinRAR/7-Zip or WinZip to obtain a .tar.md5 file and some other optional files.
Step 2: Next Odin zip file should be extracted to get Odin3 v3.07.exe along with few other files.
Step 3: Power off the Galaxy S4 and boot the device into Download Mode. To do so, press and hold Volume Down, Home and Power buttons together until a construction Android robot icon with a warning triangle appears on screen. Then keep tapping Volume Up button to progress into Download Mode.
Step 5: Launch Odin on computer as an Administrator.
Step 6: Now connect Galaxy S4 I9500 to computer with USB cable in Download Mode. When Odin detects the device and a pop-up message reading "Added!" appears on screen, the ID: COM box will turn light blue with the COM port number.
Note: If the Added message fails to appear, then try re-installing USB drivers or changing the port on computer.

Step 7: Select the following files in Odin from extracted I9500XXUFNB3 firmware folder:

  • Tap PDA button and choose the .tar.md5 file.
  • Hit Phone button and select the file named MODEM.
  • Tap CSC button and choose the file named CSC.
  • Click PIT button and choose the .pit file.

NOTE: Ignore the last three files (MODEM, CSC and .pit) if they are not found.

Step 8: In Odin, select Auto Reboot and F. Reset Time options. But, the Re-Partition option must be checked only if you used the .pit file in previous step.
Step 9: After ensuring that Step 7 and Step 8 are done correctly, hit the Start button in Odin to begin installing the firmware.
Step 10: After the firmware is installed, a PASS message with green background appears in the left-most box at the top of Odin. Galaxy S4 will then reboot to the Home screen. It is now safe to disconnect the USB cable and remove the phone from computer.

Galaxy S4 GT-I9500 is now running I9500XXUFNB3 Android 4.4.2 KitKat firmware. Head over to Settings >> About Phone to verify the firmware installed on the device.

Troubleshooting: If Galaxy S4 I9500 is stuck at boot animation after Step 10 then boot into recovery mode (press and hold the Volume Up, Home and Power buttons together), and perform Wipe data/Factory Reset and Wipe Cache Partition task before choosing Reboot System Now option.

Note: In recovery mode use Volume keys to navigate between options and Power key to select the option. Performing data wipe task will erase your device's internal memory and not external SD card data.

Also check out our step-by-step guide: Root Galaxy S4 I9500 on Android 4.4.2 KitKat and Install CWM Recovery

[Source: Honai of Android]